Principles of Ectoparasite Control

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Questions and Answers

Which of the following factors should be considered when choosing a drug for treating an ectoparasitic disease?

  • Patient safety, nontarget species, and licensing
  • Duration of action, drug interactions, and host factors (correct)
  • Spectrum of activity, wetting effect, and cost
  • Species, age restrictions, and drug action

What is the purpose of regular dagging in reducing myiasis of sheep?

  • To minimize pasture worm burden
  • To remove dung and avoid attracting oviposting flies (correct)
  • To kill parasites and repel flies
  • To arrest parasite development

What is a potential wider public health implication of an extoparasitic disease?

  • Drug-related factors
  • Development of resistance
  • Mode of application
  • Zoonotic transmission (correct)

What is a potential concern associated with increasing veterinary parasiticide use?

<p>Development of resistance (C)</p> Signup and view all the answers

Why is it important to consider the effect of wetting when choosing a drug for treating an extoparasitic disease?

<p>It may affect the efficacy of some products (D)</p> Signup and view all the answers

What is the purpose of docking tails in reducing myiasis of sheep?

<p>To remove dung and avoid attracting oviposting flies (D)</p> Signup and view all the answers

What type of parasites can ticks transmit?

<p>Lyme disease and babesiosis (C)</p> Signup and view all the answers

Why should simultaneous use of two products from a single group with similar actions be avoided?

<p>It can lead to drug resistance (B)</p> Signup and view all the answers

What is a potential concern associated with purchasing parasiticides from non-veterinary outlets?

<p>Lack of professional guidance (B)</p> Signup and view all the answers

When controlling ectoparasites, the aim is to

<p>Keep the numbers at reasonable levels (A)</p> Signup and view all the answers

Which stage of the ectoparasite life-cycle is commonly targeted for intervention?

<p>Adults (D)</p> Signup and view all the answers

In the case of blowflies, which stage of the life-cycle is targeted for control?

<p>Larvae (A)</p> Signup and view all the answers

In the control of fleas, which stages of the life-cycle are commonly targeted?

<p>Adults and larvae (D)</p> Signup and view all the answers

Which factor determines whether ectoparasitic diseases are contagious to other animals?

<p>The host's species (C)</p> Signup and view all the answers

Which form of Demodex is contagious in cats?

<p>None of the forms (A)</p> Signup and view all the answers

What are some environmental physical methods of controlling ectoparasites?

<p>Avoiding contact with the parasites (B)</p> Signup and view all the answers

Which of the following is NOT a reason why there is a large market for pharmaceuticals in ectoparasite control?

<p>High cost of chemical control methods (C)</p> Signup and view all the answers

What is the primary reason for controlling ectoparasitic diseases?

<p>To control vectors of zoonotic disease (A)</p> Signup and view all the answers

What determines the choice of stage to target in the life-cycle of ectoparasites?

<p>The species of the parasite (B)</p> Signup and view all the answers

What is a potential concern associated with increasing veterinary parasiticide use?

<p>Development of resistance in parasites (C)</p> Signup and view all the answers

Why is it important to consider the effect of wetting when choosing a drug for treating an ectoparasitic disease?

<p>Wetting can reduce the efficacy of the drug (B)</p> Signup and view all the answers

What is the purpose of regular dagging in reducing myiasis of sheep?

<p>To prevent the entry of blowfly larvae (B)</p> Signup and view all the answers

What type of drug kills parasites by acting as neurotoxins?

<p>Ectoparasiticides (B)</p> Signup and view all the answers

What are some environmental physical methods of controlling ectoparasites?

<p>Using barriers to avoid contact with parasites (B)</p> Signup and view all the answers

What can be done to create conditions unsuitable for ectoparasite live or reproduction?

<p>Changing the host environment (B)</p> Signup and view all the answers

What is a potential wider public health implication of an ectoparasitic disease?

<p>Transmission of zoonotic infections (A)</p> Signup and view all the answers

In the case of blowflies, which stage of the life-cycle is targeted for control?

<p>Larvae (B)</p> Signup and view all the answers

Which of the following factors should be considered when choosing a drug for treating an ectoparasitic disease?

<p>Duration of action and frequency of reapplication (D)</p> Signup and view all the answers

What is a potential concern associated with increasing veterinary parasiticide use?

<p>Development of resistance (B)</p> Signup and view all the answers

What is the purpose of docking tails in reducing myiasis of sheep?

<p>To prevent the infestation of blowflies in the tail area (D)</p> Signup and view all the answers

What type of parasites can ticks transmit?

<p>Lyme disease and babesiosis (C)</p> Signup and view all the answers

What can be done to create conditions unsuitable for ectoparasite life or reproduction?

<p>Removing dung to avoid attracting flies (A)</p> Signup and view all the answers

What is a potential wider public health implication of an ectoparasitic disease?

<p>Zoonotic transmission (B)</p> Signup and view all the answers

Which stage of the ectoparasite life-cycle is commonly targeted for intervention?

<p>Larval stage (C)</p> Signup and view all the answers

What is a potential concern associated with purchasing parasiticides from non-veterinary outlets?

<p>Poor compliance (D)</p> Signup and view all the answers

Which factor determines whether ectoparasitic diseases are contagious to other animals?

<p>Stage of the parasite life-cycle (A)</p> Signup and view all the answers

What is the purpose of regular dagging in reducing myiasis of sheep?

<p>To remove dirty wool around the tail area (D)</p> Signup and view all the answers

What are the importance of ectoparasite disease treatment?

<p>Animal welfare, Economic loss, Vectors of disease, Sources of zoonotic infection</p> Signup and view all the answers

What are the factors to consider for non-chemical control of ectoparasites?

<p>Life-cycle stage, Contagiousness to other species, Species-specificity</p> Signup and view all the answers

What are some environmental physical methods of controlling ectoparasites?

<p>Barriers, Changing host or off-host environment</p> Signup and view all the answers

What are the considerations for targeting different stages of the ectoparasite life-cycle?

<p>Feasibility, Example with blowfly - killing larvae not adult flies, Multiple stages intervention in fleas</p> Signup and view all the answers

What are the conditions unsuitable for ectoparasite life or reproduction?

<p>Changing host or off-host environment</p> Signup and view all the answers

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